CSIQ [Canadian Solar] 6-K: (Original Filing)
[Canadian Solar Announces Expiration of Put Option Exercise Period for Its GUELPH, Ontario, Canada, Dec. 18, 2012 Canadian Solar Inc. (the Company, or Canadian Solar) (NASDAQ: CSIQ), one of the worlds largest solar power companies, About Canadian Solar Canadian Solar Inc. is one of the worlds largest solar companies. As a leading vertically integrated provider of ingots, wafers, solar] [FORM 6-K CANADIAN SOLAR INC. No. 199 Lushan Road Suzhou New District Suzhou, Jiangsu 215129 Peoples Republic of China Form 20-F x Form 40-F o o o CANADIAN SOLAR INC. Form 6-K TABLE OF CONTENTS]